OT-2026-000042090
Publication integrity record
Foam pad vacuum gripper, pump fed, sustained blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000042090) never changes.
Identity and time
| Publication number | OT-2026-000042090 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d71-75fe-9033-b646a47553f5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042090 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f81e5e9b86ce0cf536176b14411c21e21669ec7fbf63732db6f9c386142dc89 |
|---|---|
| Markdown | a96afd60cc62d08818aa466412517a983d13f412af55302ce7e5b68371cfc242 |
| Publication page | ea9c76ad10b5c255d23681d86dead4b35f420943caf0389a2a1f5d770a9bcde1 |
| Manifest | 9ed46083984d90c82cc7e7e4b2bf965f9166d364e6526579fac8139f3197b407 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | yaODoCJ8GxJ70cyEjBwqc55eEVKiigGZZCO6MPTaAh/jQRBxvrxCHramQ/QOkxdSDsRgK0dkElHLx0fPKf56BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:15:37.226979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042090observed ea9c76ad10b5c255d23681d86dead4b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:37.209420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042090/manifest.jsonobserved 9ed46083984d90c82cc7e7e4b2bf965f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:37.191784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042090/publication.mdobserved a96afd60cc62d08818aa466412517a98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:37.172967Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042090/publication.txtobserved 5f81e5e9b86ce0cf536176b14411c21e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|